Hat with an adjustable headband



FIG. 1 is a rear perspective view of a hat with an adjustable headband;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a bottom view thereof showing the adjustable headband; and,

FIG. 8 is a front view thereof showing the adjustable headband. 

The ornamental design for a hat with an adjustable headband, as shown and described. 